S
M
T
W
T
F
S
31
74°
49°
1
75°
52°
2
75°
49°
3
79°
54°
4
82°
56°
5
84°
62°
6
83°
65°
7
85°
64°
8
84°
63°
9
81°
64°
10
83°
62°
11
83°
65°
12
82°
62°
13
81°
62°
14
82°
58°
15
76°
56°
16
73°
55°
17
75°
55°
18
76°
56°
19
77°
56°
20
78°
60°
21
78°
64°
22
77°
64°
23
80°
63°
24
79°
60°
25
78°
57°
26
79°
65°
27
84°
65°
28
80°
60°
29
79°
59°
30
78°
58°
1
78°
58°
2
79°
59°
3
81°
66°
4
81°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Monongahela
Monongahela's June 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 49° and 66°. The average high for June is 80° with an average low of 60°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Monongahela. See also: July | August | September.